diff mbox series

[v6,1/6] dt-bindings: ap806: add the cluster clock node in the syscon file

Message ID 20190619141539.16884-2-gregory.clement@bootlin.com (mailing list archive)
State New, archived
Headers show
Series Add CPU clock support for Armada 7K/8K | expand

Commit Message

Gregory CLEMENT June 19, 2019, 2:15 p.m. UTC
Document the device tree binding for the cluster clock controllers found
in the Armada 7K/8K SoCs.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
---
 .../arm/marvell/ap806-system-controller.txt   | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

Comments

Gregory CLEMENT June 25, 2019, 8:38 a.m. UTC | #1
Hello Rob,

> Document the device tree binding for the cluster clock controllers found
> in the Armada 7K/8K SoCs.
>
> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>

Did you have the opportunity to have a look on this binding ? I think
that I completely follow your requirement now.

Thanks,

Gregory

> ---
>  .../arm/marvell/ap806-system-controller.txt   | 25 +++++++++++++++++++
>  1 file changed, 25 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
> index 7b8b8eb0191f..4a3bb9c12312 100644
> --- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
> +++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
> @@ -143,3 +143,28 @@ ap_syscon1: system-controller@6f8000 {
>  		#thermal-sensor-cells = <1>;
>  	};
>  };
> +
> +Cluster clocks:
> +---------------
> +
> +Device Tree Clock bindings for cluster clock of AP806 Marvell. Each
> +cluster contain up to 2 CPUs running at the same frequency.
> +
> +Required properties:
> +- compatible: must be  "marvell,ap806-cpu-clock";
> +- #clock-cells : should be set to 1.
> +- clocks : shall be the input parents clock phandle for the clock.
> +- reg: register range associated with the cluster clocks
> +
> +
> +ap_syscon1: system-controller@6f8000 {
> +	compatible = "marvell,armada-ap806-syscon1", "syscon", "simple-mfd";
> +	reg = <0x6f8000 0x1000>;
> +
> +	cpu_clk: clock-cpu@0 {
> +		compatible = "marvell,ap806-cpu-clock";
> +		clocks = <&ap_clk 0>, <&ap_clk 1>;
> +		#clock-cells = <1>;
> +		reg = <0x274 0xa30>;
> +	};
> +};
> -- 
> 2.20.1
>
Rob Herring (Arm) July 9, 2019, 8:10 p.m. UTC | #2
On Wed, Jun 19, 2019 at 04:15:34PM +0200, Gregory CLEMENT wrote:
> Document the device tree binding for the cluster clock controllers found
> in the Armada 7K/8K SoCs.
> 
> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
> ---
>  .../arm/marvell/ap806-system-controller.txt   | 25 +++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
> index 7b8b8eb0191f..4a3bb9c12312 100644
> --- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
> +++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
> @@ -143,3 +143,28 @@ ap_syscon1: system-controller@6f8000 {
>  		#thermal-sensor-cells = <1>;
>  	};
>  };
> +
> +Cluster clocks:
> +---------------
> +
> +Device Tree Clock bindings for cluster clock of AP806 Marvell. Each
> +cluster contain up to 2 CPUs running at the same frequency.
> +
> +Required properties:
> +- compatible: must be  "marvell,ap806-cpu-clock";
> +- #clock-cells : should be set to 1.
> +- clocks : shall be the input parents clock phandle for the clock.

How many clocks?

> +- reg: register range associated with the cluster clocks
> +
> +
> +ap_syscon1: system-controller@6f8000 {
> +	compatible = "marvell,armada-ap806-syscon1", "syscon", "simple-mfd";
> +	reg = <0x6f8000 0x1000>;
> +
> +	cpu_clk: clock-cpu@0 {

Should be '...@274'

> +		compatible = "marvell,ap806-cpu-clock";
> +		clocks = <&ap_clk 0>, <&ap_clk 1>;
> +		#clock-cells = <1>;
> +		reg = <0x274 0xa30>;
> +	};
> +};
> -- 
> 2.20.1
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
index 7b8b8eb0191f..4a3bb9c12312 100644
--- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
+++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
@@ -143,3 +143,28 @@  ap_syscon1: system-controller@6f8000 {
 		#thermal-sensor-cells = <1>;
 	};
 };
+
+Cluster clocks:
+---------------
+
+Device Tree Clock bindings for cluster clock of AP806 Marvell. Each
+cluster contain up to 2 CPUs running at the same frequency.
+
+Required properties:
+- compatible: must be  "marvell,ap806-cpu-clock";
+- #clock-cells : should be set to 1.
+- clocks : shall be the input parents clock phandle for the clock.
+- reg: register range associated with the cluster clocks
+
+
+ap_syscon1: system-controller@6f8000 {
+	compatible = "marvell,armada-ap806-syscon1", "syscon", "simple-mfd";
+	reg = <0x6f8000 0x1000>;
+
+	cpu_clk: clock-cpu@0 {
+		compatible = "marvell,ap806-cpu-clock";
+		clocks = <&ap_clk 0>, <&ap_clk 1>;
+		#clock-cells = <1>;
+		reg = <0x274 0xa30>;
+	};
+};